“From what we understand, the shop would have poured the gin out of the original bottle and then replaced it with methanol.

“It was in the original bottle with the gin label on it. As far we’re aware, the shop which sold the alcohol has been shut down and there’s a police investigation.

“The British embassy is also looking into it. We just hope it doesn’t get swept under the carpet like some of these things do.”

Her boyfriend Mr Cook, 21, wrote on his Facebook page: “I feel so lost. And empty. I honestly dunno what to do anymore.”

Miss Emmons,23, called Chez by her friends, is the youngest of four siblings.

She has two sisters, Bianca, 34, and Measha, 26 as well as brother Michael.

It is not the first time people have died in Indonesia have died after drinking tainted alcohol.

The country has a high alcohol tax of more than 200 per cent on some products causing locals to brew their own home-made spirits. Methanol is a by-product of poor distillation techniques.

In 2009, 25 people died after drinking a batch of methanol-tainted “arak” in Bali. Last year, Swede Johan Lundin, 28, was poisoned by a mojito laced with methanol at a bar on Gili Trawangan island near Bali. His fiancee, Michaela Pechac said: “In the middle of the night everything came to an end. I was running around the streets trying to find any help I could get but no one could be found.”

“No one wants to see someone you love die in front of your eyes. We were getting married next year and had our whole future in front of us and now it’s all gone.”

She said it was impossible for tourists to know whether bartenders were using imported spirits or homemade moonshine to make the cocktails.